47 



long, acute, coarselv and dconlv qininfo f«Mj,„i « 



hvy rather loose spicato vSls^^^^'^u r^' '" ""*'^" '^^"^^^^•^' ^" ^^'l" 



nal panicle : seed sharply nmrghuHl ' '''"''' "•■ '" '" '"'^^'^ "P"" t^-^^'^'i- 



r^J:^::u^:S\^^,S: ''^''' '-- ^^" '^-'^'- *« «- 1^*^.0. a,. o,a wom specie. 



. . Pen:;,rj,srj,.r.>u„ readiUj fro,,, Ikeseed: leaves c„ti,^e or h.mM,j MM- 



seed smaller. '' 



CoW;l'':,',:/S mS"'' "'"' ""••"='' "" ""»"" f"'" "" I"- »f «l.e Sieira Nevada ,„ 



^ ^'' '^'"5 ;;o/ I'!C:!^' '"^rf ''; ^^'^^ (^{-'^^^'^^-r-pul^esrent, aromatic: seed very 



* i^^/r.;-.^,«,»V..Z.,^. .;. .^,,>,,^,.. ,ee,h mostly horizontal, ohtusehj margined. 

 lenvp.^;^"*.*'^^;/^'""- ^•'"!"1^>''^'' throughout, erect, a f„ot or tw„ hi-d. branched- 

 lootnoa. loners somewhat solitary, in numerous slender difluse axillary innicles- 



^i:^-^i:''l^:^;;-A i::^^^ l."t co„„no„ oa.twnr.l nn.l ov..r .nu-h of tl.c OI.l 



C C. ambrosioides, Linn. Scarcely glaiulular. e.e.t or ascendin- usu.llv 



iowe iiTfnr'""'^^^^^ ""n"^''"^ "''^"" •'""'^"' linoardaueeolalo and entire: 



clduous ° ^ '" '' ^ ''''"'' "^'^"'^'' ■■^''i""*-'^^^*^^' ^« ^^"^ ^^"'t : pericarp do- 

 ns ^fvT.tTn;L'"z.i!"';;;:V!:;;:'''7^w' '^ conynon wend i„ many parts of the world, often used 



Frandsco aiTso wa^^ '" «=>'t->"''»>«l.es and waste pla.-es about San 



